The nitrites and nitrates.
D000787:Angina Pectoris / Q000188:drug therapy / Q000517:prevention & control; D000788:Angina Pectoris, Variant / Q000188:drug therapy; D004347:Drug Interactions; D000431:Ethanol / Q000494:pharmacology; D006333:Heart Failure / Q000188:drug therapy; D008099:Liver / Q000378:metabolism; D009060:Mouth Floor; D009206:Myocardium / Q000378:metabolism; D009566:Nitrates / Q000378:metabolism / Q000494:pharmacology* / Q000627:therapeutic use; D009573:Nitrites / Q000378:metabolism / Q000494:pharmacology* / Q000627:therapeutic use; D005996:Nitroglycerin / Q000627:therapeutic use
D009566:Nitrates; D009573:Nitrites; D000431:Ethanol; D005996:Nitroglycerin